Same-sex marriage is at the Supreme Court today. And along with the plaintiffs and defendants, a record number of groups, individuals and governments filed amicus (”friend of the court”) briefs (seen above in green). Here they are by the numbers: 

• 148 briefs filed, a record number
• 136 previous amicus brief record, made in the 2013 Obamacare case
• $25,000-$50,000 average cost to file one
  
• 370 large & small businesses filed one brief
• 76 briefs contending same-sex marriage bans are unconstitutional (as of 2 weeks ago)
• 58 briefs defending the bans
• 5 briefs supporting neither party

Read more about the briefs here. And the cases here.

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Photos: Emily Jan/NPR